Brush



FIG. 1 is a front elevational view of a brush showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is another perspective view thereof; and,

FIG. 9 is an enlarged detail view of the brush.

The broken lines showing of brush tips in the figures illustrate environmental matters which form no part of the claimed design. 

CLAIM The ornamental design for a brush, as shown and described. 